3161611654 has 4 divisors (see below), whose sum is σ = 4742417484. Its totient is φ = 1580805826.

The previous prime is 3161611643. The next prime is 3161611693. The reversal of 3161611654 is 4561161613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4561161613 = 67 ⋅68077039.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 790402912 + ... + 790402915.

It is an arithmetic number, because the mean of its divisors is an integer number (1185604371).

Almost surely, 2^3161611654 is an apocalyptic number.

3161611654 is a deficient number, since it is larger than the sum of its proper divisors (1580805830).

3161611654 is a wasteful number, since it uses less digits than its factorization.

3161611654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580805829.

The product of its digits is 12960, while the sum is 34.

The square root of 3161611654 is about 56228.2104819280. The cubic root of 3161611654 is about 1467.6962161607.

The spelling of 3161611654 in words is "three billion, one hundred sixty-one million, six hundred eleven thousand, six hundred fifty-four".